Prevent parasites naturally by giving FOOD GRADE diatomaceous earth in your pets food a few times a week. (dogingtonpost.com)
I also alternated these treatments with use of diatomaceous earth (DE). (wellnessmama.com)
Also, I used Diatomaceous earth with lavender oil as the powder, coconut oil with tea tree as a barrier and my own rash cleared up in 2 days. (mommypotamus.com)